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Finding the Fourth Proportional to 69,014, 95,200.44 and 45,135.20

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Solution

The fourth proportional to 69,014, 95,200.44 and 45,135.20 is: 62,261.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,014 : 95,200.44 = 45,135.20 : x
  2. Step 2: Convert to fraction form
    69,014/95,200.44 = 45,135.20/x
  3. Step 3: Cross multiply
    69,014x = 95,200.44 × 45,135.20
  4. Step 4: Simplify right side
    69,014x = 4,296,890,899.49
  5. Step 5: Solve for x
    x = 4,296,890,899.49/69,014
  6. Step 6: Final answer
    x = 62,261.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.